Against the backdrop of spine-chilling stories of drowned mariners and a 100-year-old shipwreck lying on the bottom of the sea, the peaceful coastal town of Antonio Bay, California is making preparations to celebrate its centennial. However--as strange supernatural occurrences blemish the festivities--a dense fog starts to shroud the seaside town, leading to unaccountable disappearances. A century ago, a hideous crime was committed by the town's elders. Now, the restless dead have returned for revenge. Is there something evil lurking in the fog?